Simplify (14x^2+8)+(4x-2)-(12x^2-1)

$(14 x^{2} + 8) + (4 x - 2) - (12 x^{2} - 1)$

Remove parentheses.

$14 x^{2} + 8 + 4 x - 2 - (12 x^{2} - 1)$

Simplify each term.

Apply the distributive property.

$14 x^{2} + 8 + 4 x - 2 - (12 x^{2}) - - 1$

Multiply $12$ by $- 1$ .

$14 x^{2} + 8 + 4 x - 2 - 12 x^{2} - - 1$

Multiply $- 1$ by $- 1$ .

$14 x^{2} + 8 + 4 x - 2 - 12 x^{2} + 1$

$14 x^{2} + 8 + 4 x - 2 - 12 x^{2} + 1$

Simplify by adding terms.

Subtract $12 x^{2}$ from $14 x^{2}$ .

$2 x^{2} + 8 + 4 x - 2 + 1$

Simplify by adding and subtracting.

Subtract $2$ from $8$ .

$2 x^{2} + 4 x + 6 + 1$

Add $6$ and $1$ .

$2 x^{2} + 4 x + 7$

$2 x^{2} + 4 x + 7$

$2 x^{2} + 4 x + 7$

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